Polyvinylpolypyrrolidone/ PVPP/ Crospovidone

Product Overview

Description

Polyvinylpolypyrrolidone/ PVPP/ Crospovidone

 

USP/EP Name: Crospovidone/PVPP

Chemical Name: Crosslinked Polyvinlypyrrolidone; Polyvinylpolypyrrolidone; PVPP

CTFA Name: Insoluble PVP

CAS NO.: 25249-54-1; 9003-39-8

Molecular Formula: (C6H9NO)n

Physical properties:

White or milky powder, free flowing powder with odorless or faint characteristic smell. It's insoluble in water, acid, alkali and other common organic reagents; it can swell in water easily and can complex with polyphenol, carboxylic acids and other low molecular weight compounds.

 

 

Specification:

PVPP/Crospovidone (USP)	Specification
Moisture %	≤5.0
Soluble components %	≤1.0
Monomers ppm	≤10
PH of 1% aqueous solution	5-8
Heavy metalsppm	≤10
Nitrogen %	11.0-12.8
Sulfate ash %	≤0.1
Peroxide( as H2O2) ppm	≤400

Applicantion:

1. Pharmaceutical Grade:

Used as disintergrant for table pill, particle-like granule and capsule drug in Pharmaceutical industry.

 2. Food Grade:

 Used as stabilizer for beer, wine, vingar, juice and beverage to leave no residue, prolong their storage life and  improve the taste.